Physics

[frozen7]

A machine gun fires 60 gram bullets at 360 bullets a minute. If the velocity of the bullets is 600ms^-1 , then what is the average force on the machine gun?
How to do this?
I have no idea at all.
Thanks.

[Doc Al]

Look up the impulse-momentum theorem.

http://hyperphysics.phy-astr.gsu.edu/hbase/impulse.html#c1